1133213121222 has 256 divisors, whose sum is σ = 2998741616640. Its totient is φ = 276995801088.

The previous prime is 1133213121221. The next prime is 1133213121233. The reversal of 1133213121222 is 2221213123311.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1133213121192 and 1133213121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133213121221) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 699945529 + ... + 699947147.

It is an arithmetic number, because the mean of its divisors is an integer number (11713834440).

Almost surely, 2^{1133213121222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133213121222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1499370808320).

1133213121222 is an abundant number, since it is smaller than the sum of its proper divisors (1865528495418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1133213121222 is a wasteful number, since it uses less digits than its factorization.

1133213121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767.

The product of its digits is 864, while the sum is 24.

Adding to 1133213121222 its reverse (2221213123311), we get a palindrome (3354426244533).

The spelling of 1133213121222 in words is "one trillion, one hundred thirty-three billion, two hundred thirteen million, one hundred twenty-one thousand, two hundred twenty-two".